From: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Subject: include/linux/genhd.h: move to use generic UUID library
UUID library provides uuid_be type and uuid_be_to_bin() function. This
substitutes open coded variant by generic library calls.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Reviewed-by: Matt Fleming <matt@xxxxxxxxxxxxxxxxxxx>
Cc: Dmitry Kasatkin <dmitry.kasatkin@xxxxxxxxx>
Cc: Mimi Zohar <zohar@xxxxxxxxxxxxxxxxxx>
Cc: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx>
Cc: Arnd Bergmann <arnd@xxxxxxxx>
Cc: "Theodore Ts'o" <tytso@xxxxxxx>
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Cc: Jens Axboe <axboe@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/genhd.h | 23 +++--------------------
1 file changed, 3 insertions(+), 20 deletions(-)
diff -puN include/linux/genhd.h~genhd-move-to-use-generic-uuid-library include/linux/genhd.h
--- a/include/linux/genhd.h~genhd-move-to-use-generic-uuid-library
+++ a/include/linux/genhd.h
@@ -14,6 +14,7 @@
#include <linux/rcupdate.h>
#include <linux/slab.h>
#include <linux/percpu-refcount.h>
+#include <linux/uuid.h>
#ifdef CONFIG_BLOCK
@@ -93,7 +94,7 @@ struct disk_stats {
* Enough for the string representation of any kind of UUID plus NULL.
* EFI UUID is 36 characters. MSDOS UUID is 11 characters.
*/
-#define PARTITION_META_INFO_UUIDLTH 37
+#define PARTITION_META_INFO_UUIDLTH (UUID_STRING_LEN + 1)
struct partition_meta_info {
char uuid[PARTITION_META_INFO_UUIDLTH];
@@ -228,27 +229,9 @@ static inline struct gendisk *part_to_di
return NULL;
}
-static inline void part_pack_uuid(const u8 *uuid_str, u8 *to)
-{
- int i;
- for (i = 0; i < 16; ++i) {
- *to++ = (hex_to_bin(*uuid_str) << 4) |
- (hex_to_bin(*(uuid_str + 1)));
- uuid_str += 2;
- switch (i) {
- case 3:
- case 5:
- case 7:
- case 9:
- uuid_str++;
- continue;
- }
- }
-}
-
static inline int blk_part_pack_uuid(const u8 *uuid_str, u8 *to)
{
- part_pack_uuid(uuid_str, to);
+ uuid_be_to_bin(uuid_str, (uuid_be *)to);
return 0;
}
_
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